Respiratory System Organs
Air enters the body through the mouth and this other opening.
Nasal Cavity
The gas all living things need to metabolize and stay alive.
Oxygen
This organ acts as a pump and is made of a unique tissue called "cardiac muscle” found nowhere else in the body.
Heart
To push blood down to the toes and back up to the head, the heart must pump hard to fight against this force.
Gravity
A group of organs that work together to perform a specific function.
System
Located in the upper part of the trachea, this organ contains the "voice box” or vocal chordes.
Larynx
The waste gas that must be eliminated from the body when we breathe out, because it can be toxic.
Carbon Dioxide
These blood vessels are the thickest kind, they must contract to push blood away from the heart.
Arteries
"Red blood" carries oxygen to the body, but ”blue blood" travels back to the heart because _____
It is empty of oxygen and is carrying carbon dioxide
Similar cells working together form this.
Tissue
This is the scientific name for the "windpipe”, a structure at the front of the esophagus.
The sticky substance secreted in your nasal cavity that protects your lungs from contamination.
Mucus
The heart is separated into four chambers; these are the two lower chambers.
Ventricles
When blood is in the capillaries, it gives _____ to cells and picks up _____
Gives oxygen and picks up waste product (CO2)
The main job of this system is to bring oxygen into the body and push carbon dioxide out.
Respiratory System
The two main branches that the trachea separates into, one for each lung.
Bronchi
During this process, the diaphragm moves down, the ribs expand so the chest grows larger, and air flows in the lungs.
Inhalation
These structures are flaps, or “doors”, that prevent blood from flowing backward.
Valves
This specific cycle describes the blood's journey from the heart to the lungs to pick up oxygen and then back to the heart.
Pulmonary Circulation
The main job of this system is to transport blood, with oxygen and nutrients, to every part of the body.
Cardiovascular System
These are tiny air sacs at the end of the lung branches where gas exchange (oxygen goes in and carbon dioxide out) happens.
Alveoli
Name two things that nose hairs (cilia) do.
Prevent dust from entering the lungs and traps bacteria.
These are tiny tubes that connect arteries and veins; they are where oxygen and nutrients are transferred to the body's tissues.
Capillaries
This specific cycle carries oxygen-rich blood away from the heart to deliver it to all the tissues in the rest of the body.
Systemic Circulation
This process involves turning food and oxygen into the energy required to grow, reproduce, and stay alive.
Metabolism